APA (7th ed.) Citation

Wilsing, W. C. (1974). Office machines: A college course. R.D. Irwin.

Chicago Style (17th ed.) Citation

Wilsing, Weston Clarence. Office Machines: A College Course. Homewood, Ill.: R.D. Irwin, 1974.

MLA (9th ed.) Citation

Wilsing, Weston Clarence. Office Machines: A College Course. R.D. Irwin, 1974.